2025-08-18 00:36:41UT (2025-08-18 09:36:41JST)  Solar Science Observatory NAOJ

P=+17.05, B0=+6.78, L0=292.63, radius=947.6"
obs radius= 942.7 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: p    S04.52 W05.96,   0.975,     30.45,     15.61,       6.26     3
       2: pu   S04.23 W09.56,   0.968,     15.04,      7.77,       3.52     3
       3: p    S02.03 W12.42,   0.965,      3.58,      1.86,       0.57     3
       4: p    N07.30 E16.29,   0.960,     21.85,     11.38,       5.14     4
       5: p    S01.26 W14.34,   0.959,      6.45,      3.36,       1.21     3
       6: p    S00.39 W15.07,   0.958,      1.79,      0.93,       0.25     3
       7: p    N06.29 W71.06,   0.333,      6.81,     10.21,       0.97     2
       8: p    N06.22 W77.86,   0.220,      5.73,     13.01,       0.46     2
       9: p    N06.69 W77.80,   0.222,      2.15,      4.84,       0.14     2
      10: p    N19.39 W76.89,   0.252,      6.81,     13.52,       0.77     1
      11: u  2 S04.29 W09.57,   0.968,      1.79,      0.93,       0.72     3
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North       43.34    52.95      7.48
 
     South       57.31    29.53     11.81
 
     Whole      100.65    82.49     19.29
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N19.39 W76.89,   9.52,       1,       0, 0.252,    6.81,   13.52
       2: N06.41 W74.95,   7.58,       3,       0, 0.269,   14.69,   28.06
       3: S02.88 W10.20, 302.83,       6,       1, 0.970,   57.31,   29.53
       4: N07.30 E16.29, 276.34,       1,       1, 0.960,   21.85,   11.38
     ---------------------------------------------------------------------


     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------

     North      3           5          35

     South      1           6          16

     Whole      4          11          51

     ------------------------------------------

     Center     2           7          27


dark:pcg20250818_083054_00 flat:pcg20250818_112514_01